D373HHard Seal Butterfly ValveAdopting precise J-shaped elastic sealing ring and three eccentric multi-layer metal hard seal structure, is widely used in the medium temperature ≤ 325 ℃ of the gold, electric power, petrochemical, and water supply and drainage and municipal construction and other industrial pipelines, for regulating the flow rate and cut off the use of fluids.
Product Features
- 本阀采用三偏心密封结构,阀座与蝶板几乎无磨损,具有越观越紧的密封功能。
- 密封圈选用不锈钢制作,具有金属硬密封和弹性密封的双重优点,无论在低温和高温的情况下,均具有优良的密封性能,具有耐腐蚀,使用寿命长等特点。
- 碟板密封面采用堆焊钴基硬质合金,密封面耐磨损,使用寿命长。
- 大规格蝶板采用绗架结构,强度高,过流面积大,流阻小。
Product Parameters
产品型号 | D373H-16C |
阀体材质 | 铸钢 |
公称压力 | ≤1.6Mpa |
适用介质 | 水、蒸汽、油品等 |
适用温度 | ≤325°C |
Product Size Reference

DN | L | H1 | H | D1 | n-d |
50 | 43 | 255 | 350 | 125 | 4-18 |
65 | 46 | 280 | 370 | 145 | 4-18 |
80 | 49 | 285 | 380 | 160 | 8-18 |
100 | 56 | 310 | 420 | 180 | 8-18 |
125 | 64 | 310 | 460 | 210 | 8-18 |
150 | 70 | 315 | 555 | 240 | 8-22 |
200 | 71 | 380 | 605 | 295 | 12-22 |
250 | 76 | 460 | 680 | 355 | 12-26 |
300 | 83 | 475 | 825 | 410 | 12-26 |
350 | 92 | 510 | 900 | 470 | 16-26 |
400 | 102 | 550 | 980 | 525 | 16-30 |
450 | 114 | 590 | 1030 | 585 | 20-30 |
500 | 127 | 610 | 1105 | 650 | 20-33 |
600 | 154 | 660 | 1310 | 770 | 20-36 |
700 | 165 | 730 | 1435 | 840 | 24-36 |
800 | 190 | 810 | 1605 | 950 | 24-39 |
900 | 203 | 930 | 1745 | 1050 | 28-39 |
1000 | 216 | 1020 | 1885 | 1170 | 28-42 |